Reading a list won't make them stick. ShortcutFoo has you type each shortcut, then brings it back just before you'd forget it.
Text Editing Beginner
9 shortcuts- ⌘^UPMove line/selection up
- ⌘XCut line
- ⌘↵Insert line after
- ⌘⇧↵Insert line before
- ⌘^DOWNMove line/selection down
- ⌘LSelect line - repeat to select next lines
- ⌘DSelect word - repeat select others occurrences
- ^MGo to matching parentheses
- ^⇧MSelect all contents of the current parentheses
Text Editing Intermediate
6 shortcuts- ⌘]Indent current line(s)
- ⌘[Un-indent current line(s)
- ⌘⇧DDuplicate line(s)
- ⌘/Comment/un-comment current line
- ⌘⌥/Block comment current selection
- ⌘YRedo or repeat last keyboard shortcut command
Text Editing Intermediate II
6 shortcuts- ⌘K⌘KDelete from cursor to end of line
- ⌘KBACKSPACEDelete from cursor to start of line
- ⌘⇧VPaste and indent correctly
- ^SPACESelect next auto-complete suggestion
- ⌘USoft undo
- ⌘⌥VPaste from history
Text Navigation/Goto Anywhere
9 shortcuts- ⌘PQuick-open files by name
- ⌘RGoto symbol
- ^GGoto line in current file
- ⌘LSelect current line
- ^⇧MSelect between brackets
- ⌘⇧JSelect current indentation
- ⌘EUse selection for find
- ⌘⇧EUse selection for replace
- ⌘⇧AExpand selection to html tag
Find/Replace
8 shortcuts- ⌘FFind
- ⌘⇧FFind in files
- ⌘GFind next
- ⌘⌥FReplace...
- ⌘⇧GFind previous
- ⌘IIncremental find
- ⌘⌥EReplace next
- ⌘⌥GQuick find
General
15 shortcuts- ⌘HHide sublime text 3
- ⌘⌥HHide all other windows
- ⌘K⌘BToggle side bar
- ⌘⇧PCommand prompt
- ⌘OOpen file
- ⌘=Zoom in
- ⌘,User settings
- ⌘-Zoom out
- ⌘⇧YMake a new sticky note
- ⌘⇧SSave as...
- ⌘⌥SSave all
- ^`Show console
- ⌘^FEnter/exit full screen
- ⌘^⇧FEnter distraction free mode
- F6Spell check
Text manipulation
7 shortcuts- ⌘K⌘UTransform to uppercase
- ⌘K⌘LTransform to lowercase
- ^⇧KDelete line
- ⌘JJoin lines
- ⌘⌥.Close html tag
- F5Sort lines
- ^F5Sort lines (case sensitive)
Split Window
10 shortcuts- ⌘⌥2Split view into two columns
- ⌘⌥1Revert view to single column
- ⌘⌥5Set view to grid (4 groups)
- ^2Jump to group 2
- ^⇧@Move file to group 2
- ⌘⌥3Split view into 3 columns
- ⌘⌥4Split view into 4 columns
- ⌘⌥⇧@Split view into 2 rows
- ⌘⌥⇧#Split view into 3 rows
- ^1Jump to group 1